Table 2.
Exploratory factor analysis (EFA; varimax rotation, three-factor extraction, loadings >0.400).
| Social Frailty Combined Questionnaire Items | Factors | |||
|---|---|---|---|---|
| Mean ± SD | 1 | 2 | 3 | |
| Factor 1: Social resources | ||||
| Do you sometimes visit your friends? | 0.14 ± 0.35 | 0.616 | ||
| Do you turn to family or friends for advice? | 0.16 ± 0.36 | 0.816 | ||
| Do you have someone to confide in? | 0.15 ± 0.36 | 0.720 | ||
| Factor 2: Social activities and financial resource | ||||
| Do you go out less frequently compared with last year? | 0.15 ± 0.36 | 0.618 | ||
| Do you eat with someone at least one time in a day? | 0.24 ± 0.43 | 0.580 | ||
| Are you limited by your financial resources to pay for needed medical service? | 0.08 ± 0.27 | 0.635 | ||
| Do you feel you are helpful to friends or family? * | 0.03 ± 0.16 | 0.490 | ||
| Factor 3: Social need fulfilment | ||||
| Do you live alone? | 0.11 ± 0.32 | 0.750 | ||
| Do you talk with someone every day? | 0.28 ± 0.45 | 0.634 | ||
| Eigenvalue | 2.02 | 1.40 | 1.13 | |
| Percentage of explained variance | 22.4 | 15.5 | 12.6 | |
* Item was removed from the Social Frailty Scale.